Gregory T. Maclennan, MD
NPI 1992731681ActiveIndividual· Pathology, Anatomic Pathology· Cleveland, OH
Pathology, Anatomic Pathology (MD) with University Hospitals Medical Group Inc, practicing in Cleveland, Ohio. Medicare paid $37,288 for services to 290 patients in 2024. Lists Parma Community General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992731681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2006 |
| Last updated in NPPES | Aug 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | 35068763 | OH |
| Pathology, Blood Banking & Transfusion Medicine | 207ZB0001X | 35068763 | OH |
| Pathology, Clinical Pathology | 207ZC0006X | 35068763 | OH |
| Pathology, Cytopathology | 207ZC0500X | 35068763 | OH |
| Pathology, Dermatopathology | 207ZD0900X | 35068763 | OH |
| Pathology, Forensic Pathology | 207ZF0201X | 35068763 | OH |
| Pathology, Hematology | 207ZH0000X | 35068763 | OH |
| Pathology, Immunopathology | 207ZI0100X | 35068763 | OH |
| Pathology, Medical Microbiology | 207ZM0300X | 35068763 | OH |
| Pathology, Neuropathology | 207ZN0500X | 35068763 | OH |
| Pathology, Molecular Genetic Pathology | 207ZP0007X | 35068763 | OH |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | 35068763 | OH |
| Pathology, Chemical Pathology | 207ZP0104X | 35068763 | OH |
| Pathology, Clinical Pathology/Laboratory Medicine | 207ZP0105X | 35068763 | OH |
| Pathology, Pediatric Pathology | 207ZP0213X | 35068763 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 1,055 across 21 procedure codes |
| Paid by Medicare | $37,288 |
Education and affiliations
| Graduation year | 1971 |
|---|---|
| Medicare specialty | Pathology |
| Secondary specialties | Urology |
Medical group
- University Hospitals Medical Group IncCleveland, OH · 2,294 clinicians
Hospital affiliations
- Parma Community General HospitalParma, OH
- Summa Western Reserve HospitalCuyahoga Falls, OH
- Uh Cleveland Medical CenterCleveland, OH
- Uh St John Medical CenterWestlake, OH
- University Hospitals Ahuja Medical CenterBeachwood, OH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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